In the quarter century since Art Spiegelman's Maus: A Survivor's Tale used the comic book form to seriously examine the Holocaust and its impact on his own family, "graphic novels" have become mainstream and respectable in literary circles. That's due in no small part to the impact of Maus itself, which won a Pulitzer prize. But Spiegelman says in his book trailer that the burden of Maus's success had become a bit of a drag over the years, with "journalists and students always asking the same questions" about its creation.